Cloud & Networking
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You're reading from  Webmin Administrator's Cookbook

Product typeBook
Published inMar 2014
Reading LevelIntermediate
Publisher
ISBN-139781849515849
Edition1st Edition
Languages
PHP
Tools
Webmin
Concepts
System Administration
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Author (1)
Michal Karzynski
Michal Karzynski
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Michal Karzynski

Michał Karzyński, with a scientific research background in the areas of molecular biology and bioinformatics, has been running Unix-like operating systems since 2002. He works as a web application developer, programming in dynamic languages such as JavaScript, Python, Perl, and PHP. He specializes in designing programming interfaces between servers and client applications based on the HTTP protocol. He has been using Webmin for over five years to assist in setting up and managing servers. He is currently employed as a project manager at the Gdańsk University of Technology in Poland. His blog can be found at http://michal.karzynski.pl.
Read more about Michal Karzynski

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Changing file ownership and permissions

Webmin's file manager allows you to manipulate standard POSIX file ownership and permissions. The user interface for this function is easy to use and powerful, allowing you to modify files recursively, but distinguish between files and directories.

Every filesystem node (file, directory, and so on) on a UNIX-like system is owned by a single user and a single group. The system also stores permission information for each node with separate permissions for the file owner, group, and everybody else. Standard permissions are listed in the following table:

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Webmin Administrator's Cookbook
Published in: Mar 2014Publisher: ISBN-13: 9781849515849
© 2014 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Michal Karzynski

Michał Karzyński, with a scientific research background in the areas of molecular biology and bioinformatics, has been running Unix-like operating systems since 2002. He works as a web application developer, programming in dynamic languages such as JavaScript, Python, Perl, and PHP. He specializes in designing programming interfaces between servers and client applications based on the HTTP protocol. He has been using Webmin for over five years to assist in setting up and managing servers. He is currently employed as a project manager at the Gdańsk University of Technology in Poland. His blog can be found at http://michal.karzynski.pl.
Read more about Michal Karzynski

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Binary notation

Octal notation

Permission name

Description

000

0

None

No permission of any kind.

001

1

Execute

Execute a program file or traverse a directory.

In most cases, read permission is also needed.

010

2

Write

Write to file or create file entries in directory.

100

4

Read

Read file content or list directory content.

011

3

Write and execute

Combinations of...